Patents Assigned to TNK Co., Ltd.
  • Patent number: 6402991
    Abstract: The function of a functional material is enhanced by kneading a metallic powder, a metallic compound, or a functional mineral powder with a far-IR-radiating ceramic composition into a shape suitable for the application. A shaped article of a function-enhanced ceramic is obtained by kneading a powder of a far-IR-radiating material comprising a ceramic composition containing 52.5-70 wt % SiO2 and 20-47 wt % Al2O3 in an amount of 30 wt % or more and a metallic powder, a metallic compound, or a functional mineral powder; shaping and drying the mixture; and firing.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: June 11, 2002
    Assignees: TNK Co., Ltd., Japan Entech Co., Ltd.
    Inventors: Kiyoshi Itakura, Keiichiro Matsushita